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Pavel [41]
3 years ago
6

Which number can you add to get a sum of 0 A . -10 B. -5 C. 0 D. 5

Mathematics
1 answer:
Nikolay [14]3 years ago
4 0
To figure this one out, my pre calculus teacher said to "plug and chug". Since you are adding each number to itself, A=-20, B=-10, C=0, and D=10. So your answer would be C.0
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Is 0.5 greater than 9/18
frutty [35]

No. 
It's not smaller either.
0.5  is exactly equal to  9/18 .
Both of them are different ways to write "one half".

6 0
3 years ago
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A group of 50 people are goin to run a race. The top 3 runners earn gold, silver, and bronze medals
UNO [17]
I don’t know this one
8 0
3 years ago
What is the slope of a line that is parallel to the line y=-1/5?
Hitman42 [59]

Answer:

slope = 0

Step-by-step explanation:

y = - \frac{1}{5} is the equation of a horizontal line parallel to the x- axis.

Since it is parallel to the x- axis the slope = 0

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4 0
3 years ago
What is the distance between the points 3, 7 and 15, 6 on a coordinate plane
krok68 [10]

Answer:

D=\sqrt{145 }\\

Step-by-step explanation:

We are actually using Pythagorean theorem here but to be simple

we can use the equation:

D(distance)=\sqrt{(x_{1}- x_{2} )^{2} +( y_{1}-y_{2})^{2}}

=

D=\sqrt{(15-3)^{2}+(6-7)^{2} } =\\D=\sqrt{(12)^{2}+(-1)^{2} } =\\\\D=\sqrt{144+1 } =\\D=\sqrt{145 }\\

(If you meant 16 instead of 6 the answer would be 15)

Hope this helps!

8 0
3 years ago
What is the value of a?<br> a = ?
Tatiana [17]

Answer:

  a = 15

Step-by-step explanation:

The Pythagorean theorem applies:

  a² + 20² = 25²

  a² = 625 - 400 . . . . . subtract 20²

  a = √225 . . . . . . . . . . take the square root

  a = 15

_____

You might recognize that the given measures (20, 25) are in the ratio 4:5. There is only one right triangle with sides in that ratio: the 3:4:5 right triangle. That is, the unknown side (a) matches

  a : 20 : 25 = 3 : 4 : 5 . . . . numbers on the left are 5 times those on the right

  a = 5·3 = 15

6 0
3 years ago
Read 2 more answers
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